今天写了一天的代码，关于报表的一些基本控件，回来不想再写了，直接COPY上，有详细的注释。主要内容有上一页，下一页，放大，缩小，导为EXCEL和PDF，打印。
这里再次感谢“蜡人张”，这里有很多功能是参考该大侠的博客后修改的，这里是他的文章链接:
代友：
namespace POSReport.ReportForm { public partial class FrmReportViewBase : Form { #region 构造函数 public FrmReportViewBase() { InitializeComponent(); //this.SetCtlDesc(); //LanguageChange.ChangeDisplay(this); } #endregion #region 自定义报表按钮的操作 #region 返回报表第一页 /// /// 回到报表的第一页 /// /// /// private void btnFirst_Click(object sender, EventArgs e) { this.rptViewMain.CurrentPage = 1; } #endregion #region 跳转到报表最后一页 /// /// 跳转到报表最后一页 /// /// /// private void btnLast_Click(object sender, EventArgs e) { this.rptViewMain.CurrentPage = this.rptViewMain.LocalReport.GetTotalPages(); } #endregion #region 上一页 /// /// 上一页 /// /// /// private void btnPre_Click(object sender, EventArgs e) { if (this.rptViewMain.CurrentPage > 1) { this.rptViewMain.CurrentPage--; } } #endregion #region 下一页 private void btnNext_Click(object sender, EventArgs e) { if (this.rptViewMain.CurrentPage < this.rptViewMain.LocalReport.GetTotalPages()) { this.rptViewMain.CurrentPage++; } } #endregion #region 放大 /// ///放大 /// /// /// private void btnEnlarge_Click(object sender, EventArgs e) { if (this.rptViewMain.ZoomPercent < maxPercent) { this.rptViewMain.ZoomPercent += addPercent; } } #endregion #region 缩小 /// /// 缩小 /// /// /// private void btnReduce_Click(object sender, EventArgs e) { if (this.rptViewMain.ZoomPercent > minPercent) { this.rptViewMain.ZoomPercent -= addPercent; } } #endregion #region 关闭 private void btnClose_Click(object sender, EventArgs e) { this.Close(); } #endregion #region 导出为Excel或PDF private void btnSaveDest_Click(object sender, EventArgs e) { try { Microsoft.Reporting.WinForms.Warning[] Warnings; string[] strStreamIds; string strMimeType; string strEncoding; string strFileNameExtension; //文件形式 string fileType = "Excel"; string fileName = ""; SaveFileDialog sfd = new SaveFileDialog(); sfd.AddExtension = true; sfd.Filter = "excel|*.xls|PDF|*.PDF"; if (sfd.ShowDialog() == DialogResult.OK) { if (string.IsNullOrEmpty(sfd.FileName)) { return; } if (sfd.FilterIndex == 1) { fileType = "Excel"; } else if (sfd.FilterIndex == 2) { fileType = "PDF"; } else { fileType = "Excel"; } fileName = sfd.FileName; byte[] bytes = this.rptViewMain.LocalReport.Render(fileType, null, out strMimeType, out strEncoding, out strFileNameExtension, out strStreamIds, out Warnings); SaveFile(fileName, bytes); } } catch (Exception ex) { msgError.GetExcepiton(ex, MODULENAME, Common.CommonBase.MsgError.Title.Hint); } } #endregion #region 打印 private void btnPrint_Click(object sender, EventArgs e) { try { Export(this.rptViewMain.LocalReport); currentPageIndex = 0; const string printerName = "Microsoft XPS Document Writer"; if (streams == null || streams.Count == 0) return; PrintDocument printDoc = new PrintDocument(); printDoc.PrinterSettings.PrinterName = printerName; if (!printDoc.PrinterSettings.IsValid) { return; } printDoc.PrintPage += new PrintPageEventHandler(PrintPage); printDoc.Print(); //消毁streams if (streams != null) { Foreach(Stream stream in streams) { stream.Close(); } } } catch (Exception ex) { msgError.GetExcepiton(ex, MODULENAME, MsgError.Title.Hint); } } #endregion #endregion #region 报表事件 private void rptViewMain_Load(object sender, EventArgs e) { // 设置自定义报表按钮是否为可用 SetControlVisble(); //设置报表的缩放模式 this.rptViewMain.ZoomMode = ZoomMode.Percent; } #region 报表的显示页号改变事件 private void rptViewMain_PageNavigation(object sender, PageNavigationEventArgs e) { // 设置自定义报表按钮是否为可用 SetControlVisble(); } #endregion #region 报表显示的百分比改变事件 private void rptViewMain_ZoomChange(object sender, ZoomChangeEventArgs e) { if (this.rptViewMain.ZoomPercent >= maxPercent) { this.btnEnlarge.Enabled = false; } else { this.btnEnlarge.Enabled = true; } if (this.rptViewMain.ZoomPercent <= minPercent) { this.btnReduce.Enabled = false; } else { this.btnReduce.Enabled = true; } } #endregion #endregion #region 方法 #region 设置自定义报表按钮是否为可用 /// /// 设置自定义报表按钮是否为可用 /// . private void SetControlVisble() { if (this.rptViewMain.LocalReport.GetTotalPages() <= 1) { this.btnFirst.Enabled = false; this.btnLast.Enabled = false; this.btnNext.Enabled = false; this.btnPre.Enabled = false; return; } if (this.rptViewMain.CurrentPage >= this.rptViewMain.LocalReport.GetTotalPages() - 1) { this.btnNext.Enabled = false; this.btnLast.Enabled = false; } else { this.btnLast.Enabled = true; this.btnNext.Enabled = true; } if (this.rptViewMain.CurrentPage <= 0) { this.btnFirst.Enabled = false; this.btnPre.Enabled = false; } else { this.btnPre.Enabled = true; this.btnFirst.Enabled = true; } } #endregion #region 保存 protected void SaveFile(string fileName, byte[] bytes) { try { using (FileStream fs = new FileStream(fileName, FileMode.Create)) { fs.Write(bytes, 0, bytes.Length); } } catch (IOException ex) { return; } } #endregion #region 创建文件流 private Stream CreateStream(string name, string fileNameExtension, Encoding encoding, string mimeType, bool willSeek) { stream = new FileStream(name + "." + fileNameExtension, FileMode.Create); streams.Add(stream); name = string.Empty; fileNameExtension = string.Empty; return stream; } #endregion #region 将本地报表导出为文件流 private void Export(LocalReport report) { string deviceInfo = " " + " EMF " + " 8.5in " + " 11in " + " 0.25in " + " 0.25in " + " 0.25in " + " 0.25in " + " "; Warning[] warnings; streams = new List (); report.Render("Image", deviceInfo, CreateStream, out warnings); foreach (Stream stream in streams) { stream.Position = 0; } } #endregion #region Page打印方法 private void PrintPage(object sender, PrintPageEventArgs e) { Metafile pageImage = new Metafile(streams[currentPageIndex]); e.Graphics.DrawImage(pageImage, e.PageBounds); currentPageIndex++; e.HasMorePages = (currentPageIndex < streams.Count); } #endregion #endregion #region 私有成员 //报表显示的百分比的增量因子 private const int addPercent = 25; //报表显示的最大百分比 private const int maxPercent = 200; private const int minPercent = 25; private MsgError msgError = MsgError.getInstance();//实例化错误异常提示类 private const string MODULENAME = "FrmReportViewBase"; //模块名称 //当前页的索引 private int currentPageIndex; //打印需要的文件流序列 private IList streams; #endregion } }